君子有三种事应该加以警戒：年轻的时候，血气还没有固定，力戒贪恋女色；到了壮年时期，血气正旺盛，力戒逞强好斗；到了老年时期，血气已经衰弱，力戒贪得无厌。

认证不是终点线，而是真正责任的起点。

The greatest use of life is to spend it for something that will outlast it.

Success is not final, failure is not fatal: it is the courage to continue that counts.

You can't change the people around you, but you can change the people you choose to be around.

语言是我们塑造现实最强大的工具。